BEARING / FA

NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2216 ,D=80   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2216 80 140 33 2 49 19.9 4000 5000 0.25 3.9 2.5 2.7 1.9   DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2215 ,D=75   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2215 75 130 31 1.5 44.5 17.8 4300 5300 0.25 3.9 2.5 2.6 1.54   DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2214 ,D=70   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2214 70 125 31 1.5 44 17.1 4500 5600 0.26 3.7 2.4 2.5 1.47     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2213 ,D=65   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2213 65 120 31 1.5 43.5 16.4 4800 6000 0.28 3.5 2.3 2.4 1.4     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2212 ,D=60   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2212 60 110 28 1.5 34 12.6 5300 6300 0.28 3.5 2.3 2.4 1.03     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2211 ,D=55   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2211 55 100 25 1.5 26.7 9.9 6000 7100 0.28 3.5 2.3 2.4 0.746     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2210 ,D=50   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2210 50 90 23 1.1 23.3 8.45 6300 8000 0.28 3.4 2.2 2.3 0.564   DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2209 ,D=45   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2209 45 85 23 1.1 23.3 8.15 7100 8500 0.3 3.2 2.1 2.2 0.522   DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2208 ,D=40    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2208 40 80 23 1.1 22.4 7.35 7500 9000 0.33 3 1.9 2 0.477     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2207 ,D=35    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2207 35 72 23 1.1 21.7 6.6 8500 10000 0.37 2.6 1.7 1.8 0.378     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2206 ,D=30      Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2206 30 62 20 1 15.3 4.55 10000 12000 0.38 2.5 1.6 1.7 0.249     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2205 ,D=25    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2205 25 52 18 1 12.4 3.45 12000 14000 0.41 2.4 1.5 1.6 0.15     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2204 ,D=20    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2204 20 47 18 1 12.8 3.3 14000 17000 0.47 2.1 1.3 1.4 0.133     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2203 ,D=17    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2203 17 40 16 0.6 9.95 2.42 16000 20000 0.5 1.9 1.3 1.3 0.085     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2202 ,D=15    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2202 15 35 14 0.6 7.8 1.85 18000 22000 0.5 1.9 1.3 1.3 0.055     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2201 ,D=12    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2201 12 32 14 0.6 7.75 1.73 22000 26000 0.58 1.7 1.1 1.1 0.048     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 2200 ,D=10    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 2200 10 30 14 0.6 7.45 1.59 24000 28000 0.64 1.5 0.98 1 0.042   DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1320 ,D=100    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1320 100 215 47 3 140 57.5 2800 3400 0.24 4.1 2.7 2.8 8.3     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1319 ,D=95    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1319 95 200 45 3 129 51 3000 3600 0.23 4.3 2.8 2.9 6.7     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1318 ,D=90   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1318 90 190 43 3 117 44.5 3200 3800 0.22 4.3 2.8 2.9 5.8     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1317 ,D=85   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1317 85 180 41 3 98.5 38 3400 4000 0.21 4.6 2.9 3.1 5 DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1316 ,D=80     Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1316 80 170 39 2.1 89 33 3600 4300 0.22 4.5 2.9 3.1 4.2   DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1315 ,D=75   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1315 75 160 37 2.1 80 30 3800 4500 0.22 4.4 2.8 2.9 3.55     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1314 ,D=70   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1314 70 150 35 2.1 65 25.1 4000 5000 0.22 4.4 2.8 3 3     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1313 ,D=65   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1313 65 140 33 2.1 62.5 22.9 4300 5300 0.23 4.2 2.7 2.9 2.45     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1312 ,D=60     Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1312 60 130 31 2.1 57.5 20.8 4500 5600 0.23 4.3 2.8 2.9 1.95     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1311 ,D=55      Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1311 55 120 29 2 51.5 17.9 5000 6300 0.23 4.2 2.7 2.8 1.6   DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1310 ,D=50    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1310 50 110 27 2 43.5 14.1 5600 6700 0.23 4.2 2.7 2.8 1.25     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1309 ,D=45    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1309 45 100 25 1.5 38.5 12.7 6000 7500 0.25 4 2.6 2.7 0.955     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1308 ,D=40    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1308 40 90 23 1.5 29.8 9.7 6700 8500 0.24 4 2.6 2.7 0.715     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1307 ,D=35    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1307 35 80 21 1.5 25.3 7.85 7500 9500 0.26 3.8 2.5 2.6 0.51     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1306 ,D=30    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1306 30 72 19 1.1 21.4 6.3 8500 11000 0.26 3.7 2.4 2.5 0.385     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1305 ,D=25    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1305 25 62 17 1.1 18.2 5 10000 13000 0.28 3.5 2.3 2.4 0.255       DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1304 ,D=20      Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1304 20 52 15 1.1 12.6 3.35 12000 15000 0.29 3.4 2.2 2.3 0.165     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1303 ,D=17    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1303 17 47 14 1 12.7 3.2 14000 17000 0.32 3.1 2 2.1 0.13     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1302 ,D=15    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1302 15 42 13 1 9.7 2.29 16000 20000 0.33 2.9 1.9 2 0.093   DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1301 ,D=12    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1301 12 37 12 1 9.65 2.16 18000 22000 0.33 2.9 1.9 2 0.066     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1300 ,D=10    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1300 10 35 11 0.6 7.35 1.62 20000 24000 0.35 2.8 1.8 1.9 0.057     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1220 ,D=100    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1220 100 180 34 2.1 69.5 29.7 3200 3800 0.17 5.6 3.6 3.8 3.7     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1219 ,D=95    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1219 95 170 32 2.1 64 27.1 3400 4000 0.17 5.8 3.7 3.9 3.21     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1218 ,D=90    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1218 90 160 30 2 57.5 23.5 3600 4300 0.17 5.8 3.8 3.9 2.5   DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1217 ,D=85    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1217 85 150 28 2 49.5 20.8 3800 4500 0.17 5.7 3.7 3.8 2.05     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1216 ,D=80    Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1216 80 140 26 2 40 17 4000 5000 0.16 6 3.9 4.1 1.65     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1215 ,D=75   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1215 75 130 25 1.5 39 15.7 4300 5300 0.17 5.6 3.6 3.8 1.35     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1214 ,D=70   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1214 70 125 24 1.5 35 13.8 4800 5600 0.18 5.3 3.4 3.6 1.3   DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1213 ,D=65   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1213 65 120 23 1.5 31 12.5 4800 6000 0.17 5.7 3.7 3.8 1.15     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1212 ,D=60   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1212 60 110 22 1.5 30.5 11.5 5300 6300 0.18 5.3 3.4 3.6 0.9     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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NSK Self-Aligning Ball Bearings, Cylindrical Bore Bearings 1211 ,D=55   Bearing Numbers Boundary Dimensions (mm) Basic Load Ratings (kN) Limiting Speeds (min-1) Constant e Axial Load Factors Mass (kg) approx. d D B r min. Cr C0r Grease Oil Y2 Y3 Y0 1211 55 100 21 1.5 26.9 10 6000 7100 0.2 4.9 3.2 3.3 0.705     DESIGN, TYPES, AND FEATURESThe outer ring of a self-aligning ball bearing has a spherical raceway and its center of curvature coincides with that of the bearing; therefore, the axis of the inner ring, balls and cage can deflect to some extent around the bearing center. This type is recommended when the alignment of the shaft and housing is difficult and when the shaft may bend. Since the contact angle is small, axial load capacity is low. Pressed-steel cages are usually used.     PROTRUSION AMOUNT  Some self-aligning ball bearings have balls that protrude from the side face as shown below. This protrusion amount b1 is listed in the following table.         PERMISSIBLE MISALIGNMENT  The permissible misalignment of self-aligning ball bearings is approximately 0.07 to 0.12 radian (4° to 7°) under normal loads. However, depending on the surrounding structure, such an angle may not be possible. Take care in the design of the bearing surroundings.

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